<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        class Component{

        }

        const React = {
            Component:Component
        }

        class Wangning extends React.Component{

        }

        let w = new Wangning();
        console.log(w);




    </script>
</body>
</html>